Field panel trending on event in a building control system

Abstract

A building control system, such as an HVAC system, has a field unit incorporating a control panel (a field panel) with a local user interface allowing user selected parameters for collecting trend information when the system detects a change of value for a point in the system or a timed instruction in the memory of the field panel to begin collecting trend data for a point. The resulting trend data collected by the field panel can be uploaded to a workstation in the building control system, where the trend data can be formatted into a report, and then digitally authenticated.

Description

[0001]The present invention claims the benefit of U.S. Provisional Patent Application Ser. No. 60 / 482,599, filed Jun. 26, 2003, which is incorporated herein by reference, and is a Continuation-in-Part of U.S. patent application Ser. No. 10 / 465,150, filed Jun. 19, 2003, which is incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention generally relates to building systems and, more particularly, for selling the parameters for collecting trend data for points in a building control system when COVs (Change-of-Values) or timed trends for points in the system are detected.BACKGROUND OF THE INVENTION[0003]Building control systems encompass a wide variety of systems that aid in the monitoring and control of various aspects of building operation. Building control systems include security systems, fire safety systems, lighting systems, and heating, ventilation, and air conditioning (“HVAC”) systems. In large commercial and industrial facilities, such systems have an...

AI Technical Summary

Benefits of technology

[0012]The subject invention provides field panel trending event in a building control system. The trend application of the subject invention will be made configurable to allow users to trigger the start and stop of data collection from points. This will allow for improved troubleshooting and the filtering of records to only relevant data.

[0015]In all forms, the subject invention eliminates the collection of unnecessary trending data in reports about the performance of one or more points in a building control system. Moreover, the subject invention provides for digital authentication of such reports for validating certain products such as pharmaceuticals, especially under federal regulations such as 21 CFR §11.

Problems solved by technology

Typically, such trend records include unnecessary information since known building control systems allow users to create trend records based upon significant Change of Values (COVs) to points and by preselected times, but do not allow further control over how information from points is collected when trending occurs.

Accordingly, trend reports commonly include unnecessary information.

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